| Name | Department | Telephone |
| O' Sullivan, Angela (Professor) | School of Allied Health Sciences | +44 (0)116 207 8821 |
| Ochieng, Bertha (Professor) | School of Nursing and Midwifery | +44 (01)116 2078973 |
| O'Connor, Stuart (Dr) | School of Computer Science and Informatics | +44 (0) 116 207 8460 |
| Ogman, Robert () | Faculty of Business and Law | N/A |
| Ohene-Asare, Kwaku (Dr) | School of Leadership, Management and Marketing | 01163664340 |
| Okafor, Godwin (Dr) | Leicester Castle Business School | 0116 257 7280 |
| Olagboye, Deji (Dr) | School of Leadership, Management and Marketing | TBA |
| O'Neill, Mary (Dr) | School of Arts, Design and Architecture | 0116 250 6054 |
| Oprea, Anamaria (Dr) | School of Applied Social Sciences | 0116 201 3820 |
| Orun, Ahmet (Dr) | School of Computer Science and Informatics | 0116 366 4408 |
| Oshodin, Eseosa (Dr) | School of Computer Science and Informatics | N/A |
| O'Sullivan, Tim (Professor) | Leicester Media School | +44 (0)116 257 7317 |
| Oxley, Michael (Professor) | Leicester Castle Business School | +44 (0)116 257 7780 |
| Oyinlola, Muyiwa (Professor) | School of Engineering and Sustainable Development | +44 (0) 116 257 7162 |
| Ozawa-Meida, Leticia (Dr) | School of Engineering and Sustainable Development | +44 (0)116 257 7970 |